Creamy Mushroom and Spinach Gnocchi

Name: Creamy Mushroom and Spinach Gnocchi
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 package (16 oz) potato gnocchi; 2 tablespoons olive oil; 1 small onion, finely chopped; 2 cloves garlic, minced; 8 oz cremini mushrooms, sliced; 2 cups fresh spinach, roughly chopped; 1 cup heavy cream; 1/2 cup grated Parmesan cheese; Salt and pepper to taste; Fresh basil leaves for garnish